The farther a star is away from earth, the more it is

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

In the circuit shown below, with each bulb holding a resistance of 60 ohms, how many amps of current are flowing? express your number as a decimal.

If an atom contains 11 protons in its nucleus, predict the element with the atomic number and electronic configuration. will the number of electrons remain the same during the chemical reaction in such an atom? explain.